DAC3482
- Very low power: 900mW at 1.25GSPS, full operating conditions
- Multi-DAC synchronization
- Selectable 2x, 4x, 8x, 16x interpolation filter
- Stop-band attenuation > 90dBc
- Flexible on-chip complex mixing
- Fine mixer with 32-bit NCO
- Power saving coarse mixer: ± n×Fs/8
- High performance, low jitter clock multiplying PLL
- Digital I and Q correction
- Gain, phase, offset, and group delay correction
- Digital inverse sinc filter
- Flexible LVDS input data bus
- Word- or byte-wide interface
- 8 Sample input FIFO
- Data pattern checker
- Parity check
- Temperature sensor
- Differential scalable output: 10mA to 30mA
- Multiple package options: 88 Pin 9 x 9mm WQFN-MR and 196-ball 12mm x12mm
The DAC3482 is a very low power, high dynamic range, dual-channel, 16-bit digital-to-analog converter (DAC) with a sample rate as high as 1.25GSPS.
The device includes features that simplify the design of complex transmit architectures: 2x to 16x digital interpolation filters with over 90dB of stop-band attenuation simplify the data interface and reconstruction filters. A complex mixer allows flexible carrier placement. A high-performance low jitter clock multiplier simplifies clocking of the device without significant impact on the dynamic range. The digital Quadrature Modulator Correction (QMC) enables complete IQ compensation for gain, offset, phase, and group delay between channels in direct up-conversion applications.
Digital data is input to the device through a flexible LVDS data bus with on-chip termination. Data can be input either word-wide or byte-wide. The device includes a FIFO, data pattern checker and parity test to ease the input interface. The interface also allows full synchronization of multiple devices.
The device is characterized for operation over the entire industrial temperature range of –40°C to 85°C and is available in a small 88 pin 9 x 9mm WQFN-MR package or 196-ball 12 x12mm NFBGA package.
Low power, small size, superior crosstalk, high dynamic range, and features of the DAC3482 make it an ideal fit for today’s communication systems.
기술 자료
설계 및 개발
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TSW3085EVM — 광대역 전송 신호 체인 평가 보드 및 레퍼런스 디자인
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SLAC483 — DAC348x EVM Software GUI
SLAC507 — TSW308x EVM Software
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TINA-TI SPICE Models: Analog Interfacing Networks for DAC348x and Modulators
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This reference design and the associated example Verilog code can be used as a starting point for interfacing Altera FPGAs to Texas Instruments' high-speed LVDS-interface analog-to-digital converters (ADC) and digital-to-analog converters (DAC). The firmware implementation is explained and the (...)
TIDA-00076 — ACPR(인접 채널 전력비) 및 %EVM(오류 벡터 매그니튜드) 측정
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| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| WQFN-MR (RKD) | 88 | Ultra Librarian |
| NFBGA (ZAY) | 196 | Ultra Librarian |
주문 및 품질
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.